Show only designated entities in the root view

SVN: 27415

openbis-ipad/BisKit/Classes/CISDOBIpadEntity.m

@@ -141,7 +141,10 @@ id ObjectFromJsonData(NSString *jsonData, NSError **error)
     if (rawEntity.identifier) self.identifier = rawEntity.identifier;
     if (rawEntity.imageUrl) self.imageUrl = rawEntity.imageUrl;
     if (rawEntity.properties) self.propertiesJson = rawEntity.properties;
-    if (rawEntity.rootLevel) self.rootLevel = [NSNumber numberWithBool: [rawEntity.rootLevel length] > 0];
+    if (rawEntity.rootLevel) {
+        BOOL rootLevel = [rawEntity.rootLevel length] > 0;
+        self.rootLevel = [NSNumber numberWithBool: rootLevel];
+    }
 }
 
 @end

openbis-ipad/BisKit/Classes/persistent-data-model.xcdatamodeld/persistent-data-model.xcdatamodel/contents

@@ -17,6 +17,7 @@
     </entity>
     <fetchRequest name="EntitiesByPermIds" entity="CISDOBIpadEntity" predicateString="permId IN $PERM_IDS" fetchBatchSize="20"/>
     <fetchRequest name="EntityAndChildren" entity="CISDOBIpadEntity" predicateString="SELF == $ENTITY OR permId IN $CHILDREN" fetchBatchSize="20"/>
+    <fetchRequest name="RootEntities" entity="CISDOBIpadEntity" predicateString="rootLevel == 0" fetchBatchSize="20"/>
     <elements>
         <element name="CISDOBIpadEntity" positionX="0" positionY="0" width="128" height="240"/>
     </elements>

openbis-ipad/openBIS/openBIS/CISDOBOpenBisModel.m

@@ -151,6 +151,9 @@
     [fetchRequest setEntity:entity];
     [fetchRequest setFetchBatchSize:20];
     
+    NSPredicate *predicate = [NSPredicate predicateWithFormat: @"rootLevel == YES"];
+    [fetchRequest setPredicate: predicate];
+    
     NSSortDescriptor *categorySortDescriptor = [[NSSortDescriptor alloc] initWithKey:@"category" ascending: NO];
     NSSortDescriptor *summaryHeaderSortDescriptor = [[NSSortDescriptor alloc] initWithKey:@"summaryHeader" ascending: YES];
     NSArray *sortDescriptors = @[categorySortDescriptor, summaryHeaderSortDescriptor];